Killer
Killer noun - A dull, unpleasant, or difficult piece of work.
Perpetrator and killer are semantically related In some cases you can use "Perpetrator" instead a noun "Killer".
Perpetrator
Perpetrator noun - Someone who perpetrates wrongdoing.
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Synonyms for Perpetrator
Killer and perpetrator are semantically related in murderer topic. Sometimes you can use "Killer" instead a noun "Perpetrator", if it concerns topics such as person who kills.
Mutual synonyms
Related pairs
Both words in one sentence
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Noting similarities to a past case involving a spree-killer who had a similar motive with left hands, which Dredd had solved, Dredd consults with the perpetrator of the original crimes, now in an iso-cube.
Source: Consulting a Convicted Killer - This breaks down when one victim refuses to pick (and instead attacks the perpetrator), forcing the killer to stab him.
Source: Poisoned Chalice Switcheroo -
On the positive side for the perpetrator, it means that the killer can easily make a quick getaway.
Source: Gangland Drive-By
Cite this Source
Perpetrator and Killer. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/killer/perpetrator
Killer & Perpetrator. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/killer/perpetrator>.
Perpetrator or Killer. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/killer/perpetrator.
Google Ngram Viewer shows how "killer" and "perpetrator" have occurred on timeline